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[Hygienic aspects of Atlantic fish products utilization in the production of infant food].

The data on toxic element and parasitic contamination of the fish from the Atlantic Ocean have been systematized. Basing on the criteria of safety involving MAC for heavy metals, pesticides, histamine, radionuclides, absence of parasitic contamination, recommendations have been formulated on the conditions under which raw fish is ecologically permissible for production of canned food for children.

Animals↗

N-methyl carbamate pesticide residues in conventional and organic infant foods available on the Canadian retail market, 2001-03.

Seven parent N-methyl carbamate insecticides, in addition to two transformation products of aldicarb (aldicarb sulfoxide and aldicarb sulfone), and a single transformation product of carbofuran (3-hydroxycarbofuran) were measured in infant and junior foods available on the Canadian retail market between 2001 and 2003. Carbaryl and methomyl were the only analytes present at levels above the limits of detection in juice, cereals, fruit, vegetables or meat samples analysed. Carbaryl was the most frequently (7.6%) detected compound and concentrations ranged from 0.6 to 18 ng g-1. Detectable levels of carbaryl were most frequently found in foods prepared with fruit. Methomyl was detected (0.8 ng g-1) in one chicken with broth sample analysed in the present study. In all cases, the concentrations observed were orders of magnitude below the maximum residue limits established for these compounds in the corresponding raw food commodities in Canada (100-10 000 ng g-1). Dietary intakes of carbaryl and methomyl based on the consumption of infant foods tested ranged between 0.2-343 and 0.4-2.0 ng kg-1 body weight day-1, respectively.

Carbamates↗

[Comparison of human milk with 3 different types of infant food in the nutrition of full-term neonates].

Healthy, term infants who were either breast-fed, or received conventional formula (Mildibé, EGIS; Pre-Aptamil, Milupa), or a formula containing hydrolyzed proteins (Aptamil H. A., Milupa) were investigated. Each group consisted of 10 infants who were fed ad libitum. Somatic development (gain in weight, length and head- and chest circumferences), serum Ca and P levels, alkaline phosphatase activities and basic biochemical parameters of protein metabolism (serum total protein, albumin, uric acid, creatinine and urea nitrogen levels) were determined at the ages of 2, 4 and 8 weeks. Anthropometric measurements did not reveal considerable differences between the groups investigated. At the age of four weeks, serum calcium levels were significantly higher in the breast-fed infants than in those receiving formula. Both at the ages of four and eight weeks, serum total protein levels were significantly lower in the infants receiving the formula consisting of hydrolyzed proteins than in the breast-fed controls. No difference of considerable extent was seen in the other biochemical parameters measured. The results obtained indicate that, in the lack of the possibility of breast-feeding, all the three formulae investigated can be used as substitute of breast milk.

Breast Feeding↗

[In vitro availability of minerals in infant foods with different protein source].

As the result of the digestion process, it is produced at gastrointestinal level interactions between proteins-minerals and minerals-minerals that might modify the bioavailability of the nutrients initially designed for an adequate nutrition in infant formulas. The aim of the present study is to compare the in vitro availability of some minerals and trace elements (calcium, phosphorus, magnesium, iron and zinc) in infant formulas of initiation elaborated with different protein sources: formulas based on cow milk protein (whey-casein) versus vegetal protein (soy-based infant formulas). Also, for evaluating the effects of the different mineral supplementation in the availability of minerals, it was used infant formulas from two different manufacturers. Milk-protein based infant formulas showed for both manufacturers higher dialysis percentage (%) of phosphorus and zinc than the soy-protein based formulas. The availability of iron in the soy formula of the manufacturer A lowered significantly (P < 0.05) respect to the whey-casein based formula (9.6 +/- 2.3 versus 4.6 +/- 0.8), but not respect to the whey-casein formula of manufacturer B (9.6 +/- 1.1 versus 9.0 +/- 0.7), which might be due to the lowest proportion of phytic acid in this last commercial formula. Dialysability of all the minerals analysed from soy-protein based formulas showed significant differences depending on the manufacturer. The purification processes of the soy protein have a high repercussion in the mineral availability of soy-based infant formulas. It could be more interesting to use soy proteins more purified, with low level of phytic acid, in the elaboration of soy infants formulas, than the supplementation them with high amounts of minerals.

Dietary Proteins↗